140707057 has 2 divisors, whose sum is σ = 140707058. Its totient is φ = 140707056.

The previous prime is 140707037. The next prime is 140707081. The reversal of 140707057 is 750707041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134536801 + 6170256 = 11599^2 + 2484^2 .

It is a cyclic number.

It is not a de Polignac number, because 140707057 - 2²³ = 132318449 is a prime.

It is not a weakly prime, because it can be changed into another prime (140707037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70353528 + 70353529.

It is an arithmetic number, because the mean of its divisors is an integer number (70353529).

Almost surely, 2^140707057 is an apocalyptic number.

It is an amenable number.

140707057 is a deficient number, since it is larger than the sum of its proper divisors (1).

140707057 is an equidigital number, since it uses as much as digits as its factorization.

140707057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 140707057 is about 11862.0005479683. Note that the first 3 decimals coincide. The cubic root of 140707057 is about 520.1220830221.

The spelling of 140707057 in words is "one hundred forty million, seven hundred seven thousand, fifty-seven".